we know the vice president, joe biden, has just briefed the president on his gun violence package. and within this past hour, the white house announced a formal unveiling tomorrow. tomorrow, just before noon, we're hearing the white house planned to curb gun violence post sandy hook. want to go quickly to jessica yellin, our chief white house correspondent there. jessica, are we any closer to learning what precisely is in the package? >> reporter: hi, brooke. well, first of all, jay carney, the white house press secretary explicitly confirmed that tomorrow the president will say that he wants to press congress to pass an assault weapons ban, to press for more background checks, and to include a limit on those high capacity magazines allowing for more bullets in guns. those will be three elements. but we also heard that the vice president has been talking to people about limiting gun swaps, so that i can't privately sell you a gun without having it somehow be registered, and that they'll also be measures on mental health, and some other executive actions, some 19 executive recommend